Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Design Public Hearing Presentation for Wiehle Avenue at W&OD Trail

1,636 views

Published on

Design Public Hearing Presentation for Wiehle Avenue at W&OD Trail

March 17, 2016

Published in: News & Politics
  • Be the first to comment

  • Be the first to like this

Design Public Hearing Presentation for Wiehle Avenue at W&OD Trail

  1. 1. County of Fairfax, Virginia 1 Design Public Hearing Presentation for: Wiehle Avenue at W&OD Trail March 17, 2016
  2. 2. County of Fairfax, Virginia 2 Location Map Department of Transportation PROJECT SITE WIEHLE-RESTON METRO STATION
  3. 3. County of Fairfax, Virginia 3 Existing Conditions Department of Transportation • W&OD Trail – 10 ft. wide paved asphalt trail – 10 ft. wide gravel/dirt trail • Wiehle Ave (Urban Arterial) – 24,000 AADT – 2 NB lanes, grass median, 4 SB lanes • At-Grade Crossing – Crosswalk (75’ L x 40’ W) – Pedestrian/Bicycle Signs
  4. 4. County of Fairfax, Virginia 4 Safety Concerns Department of Transportation • Crash Data – 7 reported crashes from June 2011 to June 2015 • Crash Types – Vehicle vs. Vehicle – Vehicle vs. Trail User • Different Behaviors – Cautious – Confused – Oblivious – Careless Is she really going? Are they going to stop?
  5. 5. County of Fairfax, Virginia 5 • Safety Improvements – Eliminate conflicts between vehicles and trail users – Minimize vehicle rear-end crashes • Free-Flow Traffic – Alleviate sudden stops for vehicles traveling through intersection – Provide an uninterrupted route for trail users • Public Enhancement – Present viable options to the local community for their input – Adhere to the aesthetics and history of W&OD Trail Purpose & Need Department of Transportation
  6. 6. County of Fairfax, Virginia 6 Dominion Virginia Power (DVP) Department of Transportation Single-Circuit 230 kV Monopoles Double-Circuit 230 kV Towers
  7. 7. County of Fairfax, Virginia 7 DVP Electrical Lines • Initial Relocation Plan – 5 to 6 concrete monopoles – 15 ft. south (CL of poles) • Guidelines for Design – 25 ft. from conductor lines – 25 ft. workspace around poles – 20 ft. through access for maintenance vehicles – 18 ft. maximum width for structures • Ongoing Coordination Department of Transportation
  8. 8. County of Fairfax, Virginia 8 Underground Utilities Department of Transportation Water Gas Electric AT&T, Cox, Comcast, Verizon, L3, Zayo
  9. 9. County of Fairfax, Virginia 9 Proposed Trail Alignment Department of Transportation • Grade separate W&OD Trail over Wiehle Avenue • Merging paved trail with gravel trail for bridge crossing • W&OD Trail Profile – 3% vertical grade vs. 5% vertical grade
  10. 10. County of Fairfax, Virginia 10 Design Details Department of Transportation • Access to Wiehle Avenue will be provided • At-grade trail crossing at Wiehle Avenue will be CLOSED • Widen sidewalk along Wiehle Avenue • Designed to follow DVP offset guidelines
  11. 11. County of Fairfax, Virginia 11 Typical Section Department of Transportation Trails merge to meet DVP structure width requirements
  12. 12. County of Fairfax, Virginia 12 Bridge Typical Section Department of Transportation
  13. 13. County of Fairfax, Virginia 13 Ongoing Studies Vertical Grade • 3% Vertical Grade – Preferred grade per NVRPA – Easier ride for bicyclists – Bigger project footprint – More impacts and higher costs • 5% Vertical Grade – Allowable grade per AASHTO – Harder ride for bicyclists – Smaller project footprint – Less impacts and lower costs • 4% Vertical Grade? Other Items • Wiehle Avenue Connection – Prohibit mid-block crossing – Evaluate crosswalk just north of Sunset Hills Road • Trail Merging – Unite paved and gravel trails before bridge – Provide signing to trail users • Drainage/SWM – Provide closed drainage system to collect storm runoff – Consider water quality and quantity Department of Transportation
  14. 14. County of Fairfax, Virginia 14 Maintenance of Traffic Wiehle Avenue • Road and Bridge – Temporary traffic controls – Off-peak hours • Midday • Nighttime • Adjacent Sidewalk – Bypass Options – Detour Options W&OD Trail • Gravel Trail – Permanent controls – Prohibit use • Paved Trail Open – Leave open – Safe from work areas Department of Transportation
  15. 15. County of Fairfax, Virginia 15 Requested Feedback • Bridge Type/Finish • Retaining Wall Formliner Finish • Medallion • Other Department of Transportation
  16. 16. County of Fairfax, Virginia 16 Prestressed Concrete Department of Transportation
  17. 17. County of Fairfax, Virginia 17 Steel Girder Department of Transportation
  18. 18. County of Fairfax, Virginia 18 Truss Department of Transportation
  19. 19. County of Fairfax, Virginia 19 Truss Department of Transportation
  20. 20. County of Fairfax, Virginia 20 • Retaining Wall Formliner Finish • Medallions Aesthetic Options Department of Transportation
  21. 21. County of Fairfax, Virginia 21 Anticipated Schedule • Public Hearing – Winter 2016 • Environmental – Winter 2016 • Land Acquisition – Spring 2018 • Final Design – Winter 2018 • Utility Relocation – Summer 2019 • Construction – Winter 2021 Department of Transportation
  22. 22. County of Fairfax, Virginia 22 Questions Department of Transportation

×